Test
Test Coverage
Repair solution
Blueooth Self Test: ST_LPRF_IF_TEST Bluetooth-FM ASIC UART interface
(controls Bluetooth and FM
receiver and transmitter)
Replacement of Bluetooth/FM
ASIC (or repair of phone BB)
Bluetooth Self Test:
ST_BT_WAKEUP_TEST
Bluetooth ASIC interrupt control
interface
Replacement of Bluetooth/FM
ASIC (or repair of phone BB)
Bluetooth Self Test:
ST_LPRF_AUDIO_LINES_TEST
Bluetooth ASIC PCM interface
Replacement of Bluetooth/FM
ASIC (or repair of phone BB)
Bluetooth Functional Test: BER test
with BT-Box or functional test with
other Bluetooth device
Bluetooth antenna circuit
Repair of Bluetooth antenna
circuit (including RF filter or
WLAN switch if fitted)
FM Radio Self Test: ST_RADIO_TEST
FM Radio I2C interface
Replacement of Bluetooth/FM
ASIC (or repair of phone BB)
FM Radio Functional Test: Perform
scan for local radio stations and
check station list displayed on
phone
FM receiver antenna circuit
Repair of FM antenna circuit
(between BTHFM ASIC and
headset connector)
FM Radio Functional Test: Listen to
local radio station
FM receiver audio circuit
Repair of FM receiver audio
circuit (between BTHFM ASIC
and headset connector)
The self tests run from Phoenix software are used for fault diagnosis.
If Phoenix software is not available the functional tests with phone accessories are sufficient to verify the
functionality Bluetooth and FM radio receiver and transmitter.
Bluetooth/FM radio component layout and test points
The Bluetooth antenna is product specific (antenna integrated into phone B cover). On phones with WLAN,
the Bluetooth RF signal is routed through a WLAN front-end module and a shared Bluetooth / WLAN antenna
is used. The FM RF signal is routed through a product specific FM antenna matching circuit to the phone
headset connector. The FM radio audio signal is routed to the headset connector through the BB ASIC shared
by the phone audio functions.
Bluetooth BER test
Prerequisites
JBT-9, or SB-6 Bluetooth test box (BT-box) is required to perform a BER test. If a BT-box not available Bluetooth
functionality can be checked by transferring a file to another Bluetooth phone.
Steps
1. Connect data cable to phone.
2. Start
Phoenix
service software.
3. Choose File
→
Scan Product.
4. Choose Testing
→
Bluetooth LOCALS .
5. Locate the BT-box serial number (12 digits) found in the type label on the back of the JBT-9, or SB-6
Bluetooth test box.
RM-609
BB Troubleshooting and Manual Tuning Guide
Issue 1
COMPANY CONFIDENTIAL
Page 3 – 45
Copyright © 2011 Nokia. All rights reserved.
